Quote:
Originally Posted by jpd80
As I understand it, the small amount of petrol does two things,
1. improves starting and operation over E100, US has a winter blend (70% Ethanol/ 30% petrol)
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I recall back in the day watching a documentary on ethanol cars, and they had a very small petrol tank (under the bonnet in that model) that was used for starting, so yes.
Apparently Alcohol has a very low "Cetane Rating" which is used to reflect how easy a fuel is to ignite.
But I would think that with modern high-compression engines, and electronically variable everything, there would be a way to overcome that problem?
Quote:
Originally Posted by jpd80
2. The small amount of petrol allows people to see flames as ethanol burns with a near invisible flame.
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True, but surely they could achieve that result with a small addition of salts or oils?